Annotation of sys/arch/hp300/include/bus.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: bus.h,v 1.5 2007/04/10 18:02:48 miod Exp $ */
2: /* $NetBSD: bus.h,v 1.9 1998/01/13 18:32:15 scottr Exp $ */
3:
4: /*-
5: * Copyright (c) 1996, 1997, 1998 The NetBSD Foundation, Inc.
6: * All rights reserved.
7: *
8: * This code is derived from software contributed to The NetBSD Foundation
9: * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
10: * NASA Ames Research Center.
11: *
12: * Redistribution and use in source and binary forms, with or without
13: * modification, are permitted provided that the following conditions
14: * are met:
15: * 1. Redistributions of source code must retain the above copyright
16: * notice, this list of conditions and the following disclaimer.
17: * 2. Redistributions in binary form must reproduce the above copyright
18: * notice, this list of conditions and the following disclaimer in the
19: * documentation and/or other materials provided with the distribution.
20: * 3. All advertising materials mentioning features or use of this software
21: * must display the following acknowledgement:
22: * This product includes software developed by the NetBSD
23: * Foundation, Inc. and its contributors.
24: * 4. Neither the name of The NetBSD Foundation nor the names of its
25: * contributors may be used to endorse or promote products derived
26: * from this software without specific prior written permission.
27: *
28: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
29: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
30: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
31: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
32: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
33: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
34: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
35: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
36: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
37: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
38: * POSSIBILITY OF SUCH DAMAGE.
39: */
40:
41: /*
42: * Copyright (C) 1997 Scott Reynolds. All rights reserved.
43: *
44: * Redistribution and use in source and binary forms, with or without
45: * modification, are permitted provided that the following conditions
46: * are met:
47: * 1. Redistributions of source code must retain the above copyright
48: * notice, this list of conditions and the following disclaimer.
49: * 2. Redistributions in binary form must reproduce the above copyright
50: * notice, this list of conditions and the following disclaimer in the
51: * documentation and/or other materials provided with the distribution.
52: * 3. The name of the author may not be used to endorse or promote products
53: * derived from this software without specific prior written permission
54: *
55: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
56: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
57: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
58: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
59: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
60: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
61: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
62: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
63: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
64: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
65: */
66:
67: #ifndef _HP300_BUS_H_
68: #define _HP300_BUS_H_
69:
70: /*
71: * Bus address and size types
72: */
73: typedef u_long bus_addr_t;
74: typedef u_long bus_size_t;
75:
76: /*
77: * Access methods for bus resources and address space.
78: */
79: typedef u_long bus_space_handle_t;
80:
81: struct hp300_bus_space_tag {
82: int (*bs_map)(bus_addr_t, bus_size_t, int, bus_space_handle_t *);
83: void (*bs_unmap)(bus_space_handle_t, bus_size_t);
84: int (*bs_subregion)(bus_space_handle_t, bus_size_t, bus_size_t,
85: bus_space_handle_t *);
86: void * (*bs_vaddr)(bus_space_handle_t);
87:
88: u_int8_t (*bsr1)(bus_space_handle_t, bus_size_t);
89: u_int16_t (*bsr2)(bus_space_handle_t, bus_size_t);
90: u_int32_t (*bsr4)(bus_space_handle_t, bus_size_t);
91: void (*bsrm1)(bus_space_handle_t, bus_size_t,
92: u_int8_t *, size_t);
93: void (*bsrm2)(bus_space_handle_t, bus_size_t,
94: u_int16_t *, size_t);
95: void (*bsrm4)(bus_space_handle_t, bus_size_t,
96: u_int32_t *, size_t);
97: void (*bsrrm2)(bus_space_handle_t, bus_size_t,
98: u_int8_t *, size_t);
99: void (*bsrrm4)(bus_space_handle_t, bus_size_t,
100: u_int8_t *, size_t);
101: void (*bsrr1)(bus_space_handle_t, bus_size_t,
102: u_int8_t *, size_t);
103: void (*bsrr2)(bus_space_handle_t, bus_size_t,
104: u_int16_t *, size_t);
105: void (*bsrr4)(bus_space_handle_t, bus_size_t,
106: u_int32_t *, size_t);
107: void (*bsrrr2)(bus_space_handle_t, bus_size_t,
108: u_int8_t *, size_t);
109: void (*bsrrr4)(bus_space_handle_t, bus_size_t,
110: u_int8_t *, size_t);
111: void (*bsw1)(bus_space_handle_t, bus_size_t, u_int8_t);
112: void (*bsw2)(bus_space_handle_t, bus_size_t,
113: u_int16_t);
114: void (*bsw4)(bus_space_handle_t, bus_size_t,
115: u_int32_t);
116: void (*bswm1)(bus_space_handle_t, bus_size_t,
117: const u_int8_t *, size_t);
118: void (*bswm2)(bus_space_handle_t, bus_size_t,
119: const u_int16_t *, size_t);
120: void (*bswm4)(bus_space_handle_t, bus_size_t,
121: const u_int32_t *, size_t);
122: void (*bswrm2)(bus_space_handle_t, bus_size_t,
123: const u_int8_t *, size_t);
124: void (*bswrm4)(bus_space_handle_t, bus_size_t,
125: const u_int8_t *, size_t);
126: void (*bswr1)(bus_space_handle_t, bus_size_t,
127: const u_int8_t *, size_t);
128: void (*bswr2)(bus_space_handle_t, bus_size_t,
129: const u_int16_t *, size_t);
130: void (*bswr4)(bus_space_handle_t, bus_size_t,
131: const u_int32_t *, size_t);
132: void (*bswrr2)(bus_space_handle_t, bus_size_t,
133: const u_int8_t *, size_t);
134: void (*bswrr4)(bus_space_handle_t, bus_size_t,
135: const u_int8_t *, size_t);
136: void (*bssm1)(bus_space_handle_t, bus_size_t,
137: u_int8_t v, size_t);
138: void (*bssm2)(bus_space_handle_t, bus_size_t,
139: u_int16_t v, size_t);
140: void (*bssm4)(bus_space_handle_t, bus_size_t,
141: u_int32_t v, size_t);
142: void (*bssr1)(bus_space_handle_t, bus_size_t,
143: u_int8_t v, size_t);
144: void (*bssr2)(bus_space_handle_t, bus_size_t,
145: u_int16_t v, size_t);
146: void (*bssr4)(bus_space_handle_t, bus_size_t,
147: u_int32_t v, size_t);
148: };
149:
150: typedef const struct hp300_bus_space_tag *bus_space_tag_t;
151:
152: #define BUS_SPACE_MAP_CACHEABLE 0x01
153: #define BUS_SPACE_MAP_LINEAR 0x02
154: #define BUS_SPACE_MAP_PREFETCHABLE 0x04
155:
156: #define bus_space_map(t,a,s,f,r) ((t)->bs_map(a,s,f,r))
157: #define bus_space_unmap(t,h,s) ((t)->bs_unmap(h,s))
158: #define bus_space_subregion(t,h,o,s,r) ((t)->bs_subregion(h,o,s,r))
159: #define bus_space_vaddr(t,h) ((t)->bs_vaddr(h))
160:
161: /*
162: * u_intN_t bus_space_read_N(bus_space_tag_t tag,
163: * bus_space_handle_t bsh, bus_size_t offset);
164: *
165: * Read a 1, 2, 4, or 8 byte quantity from bus space
166: * described by tag/handle/offset.
167: */
168:
169: #define bus_space_read_1(t,h,o) (t)->bsr1(h, o)
170: #define bus_space_read_2(t,h,o) (t)->bsr2(h, o)
171: #define bus_space_read_4(t,h,o) (t)->bsr4(h, o)
172:
173: /*
174: * void bus_space_read_multi_N(bus_space_tag_t tag,
175: * bus_space_handle_t bsh, bus_size_t offset,
176: * u_intN_t *addr, size_t count);
177: *
178: * Read `count' 1, 2, 4, or 8 byte quantities from bus space
179: * described by tag/handle/offset and copy into buffer provided.
180: */
181:
182: #define bus_space_read_multi_1(t, h, o, a, c) (t)->bsrm1(h, o, a, c)
183: #define bus_space_read_multi_2(t, h, o, a, c) (t)->bsrm2(h, o, a, c)
184: #define bus_space_read_multi_4(t, h, o, a, c) (t)->bsrm4(h, o, a, c)
185: #define bus_space_read_raw_multi_2(t, h, o, a, c) (t)->bsrrm2(h, o, a, c)
186: #define bus_space_read_raw_multi_4(t, h, o, a, c) (t)->bsrrm4(h, o, a, c)
187:
188: /*
189: * void bus_space_read_region_N(bus_space_tag_t tag,
190: * bus_space_handle_t bsh, bus_size_t offset,
191: * u_intN_t *addr, size_t count);
192: *
193: * Read `count' 1, 2, 4, or 8 byte quantities from bus space
194: * described by tag/handle and starting at `offset' and copy into
195: * buffer provided.
196: */
197:
198: #define bus_space_read_region_1(t, h, o, a, c) (t)->bsrr1(h,o,a,c)
199: #define bus_space_read_region_2(t, h, o, a, c) (t)->bsrr2(h,o,a,c)
200: #define bus_space_read_region_4(t, h, o, a, c) (t)->bsrr4(h,o,a,c)
201: #define bus_space_read_raw_region_2(t, h, o, a, c) (t)->bsrrr2(h,o,a,c)
202: #define bus_space_read_raw_region_4(t, h, o, a, c) (t)->bsrrr4(h,o,a,c)
203:
204: /*
205: * void bus_space_write_N(bus_space_tag_t tag,
206: * bus_space_handle_t bsh, bus_size_t offset,
207: * u_intN_t value);
208: *
209: * Write the 1, 2, 4, or 8 byte value `value' to bus space
210: * described by tag/handle/offset.
211: */
212:
213: #define bus_space_write_1(t, h, o, v) (t)->bsw1(h, o, v)
214: #define bus_space_write_2(t, h, o, v) (t)->bsw2(h, o, v)
215: #define bus_space_write_4(t, h, o, v) (t)->bsw4(h, o, v)
216:
217: /*
218: * void bus_space_write_multi_N(bus_space_tag_t tag,
219: * bus_space_handle_t bsh, bus_size_t offset,
220: * const u_intN_t *addr, size_t count);
221: *
222: * Write `count' 1, 2, 4, or 8 byte quantities from the buffer
223: * provided to bus space described by tag/handle/offset.
224: */
225:
226: #define bus_space_write_multi_1(t, h, o, a, c) (t)->bswm1(h, o, a, c)
227: #define bus_space_write_multi_2(t, h, o, a, c) (t)->bswm2(h, o, a, c)
228: #define bus_space_write_multi_4(t, h, o, a, c) (t)->bswm4(h, o, a, c)
229: #define bus_space_write_raw_multi_2(t, h, o, a, c) (t)->bswrm2(h, o, a, c)
230: #define bus_space_write_raw_multi_4(t, h, o, a, c) (t)->bswrm4(h, o, a, c)
231:
232: /*
233: * void bus_space_write_region_N(bus_space_tag_t tag,
234: * bus_space_handle_t bsh, bus_size_t offset,
235: * const u_intN_t *addr, size_t count);
236: *
237: * Write `count' 1, 2, 4, or 8 byte quantities from the buffer provided
238: * to bus space described by tag/handle starting at `offset'.
239: */
240:
241: #define bus_space_write_region_1(t, h, o, a, c) (t)->bswr1(h, o, a, c)
242: #define bus_space_write_region_2(t, h, o, a, c) (t)->bswr2(h, o, a, c)
243: #define bus_space_write_region_4(t, h, o, a, c) (t)->bswr4(h, o, a, c)
244: #define bus_space_write_raw_region_2(t, h, o, a, c) (t)->bswrr2(h, o, a, c)
245: #define bus_space_write_raw_region_4(t, h, o, a, c) (t)->bswrr4(h, o, a, c)
246:
247: /*
248: * void bus_space_set_multi_N(bus_space_tag_t tag,
249: * bus_space_handle_t bsh, bus_size_t offset, u_intN_t val,
250: * size_t count);
251: *
252: * Write the 1, 2, 4, or 8 byte value `val' to bus space described
253: * by tag/handle/offset `count' times.
254: */
255:
256: #define bus_space_set_multi_1(t, h, o, val, c) (t)->bssm1(h, o, val, c)
257: #define bus_space_set_multi_2(t, h, o, val, c) (t)->bssm2(h, o, val, c)
258: #define bus_space_set_multi_4(t, h, o, val, c) (t)->bssm4(h, o, val, c)
259:
260: /*
261: * void bus_space_set_region_N(bus_space_tag_t tag,
262: * bus_space_handle_t bsh, bus_size_t offset, u_intN_t val,
263: * size_t count);
264: *
265: * Write `count' 1, 2, 4, or 8 byte value `val' to bus space described
266: * by tag/handle starting at `offset'.
267: */
268:
269: #define bus_space_set_region_1(t, h, o, val, c) (t)->bssr1(h, o, val, c)
270: #define bus_space_set_region_2(t, h, o, val, c) (t)->bssr2(h, o, val, c)
271: #define bus_space_set_region_4(t, h, o, val, c) (t)->bssr4(h, o, val, c)
272:
273: /*
274: * Bus read/write barrier methods.
275: *
276: * void bus_space_barrier(bus_space_tag_t tag,
277: * bus_space_handle_t bsh, bus_size_t offset,
278: * bus_size_t len, int flags);
279: *
280: * Note: the 680x0 does not currently require barriers, but we must
281: * provide the flags to MI code.
282: */
283: #define bus_space_barrier(t, h, o, l, f) \
284: ((void)((void)(t), (void)(h), (void)(o), (void)(l), (void)(f)))
285: #define BUS_SPACE_BARRIER_READ 0x01 /* force read barrier */
286: #define BUS_SPACE_BARRIER_WRITE 0x02 /* force write barrier */
287:
288: #endif /* _HP300_BUS_H_ */
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